CN106489219A - Crimp type terminal, connecting structure body, the manufacture method of crimp type terminal and method for laser welding - Google Patents
Crimp type terminal, connecting structure body, the manufacture method of crimp type terminal and method for laser welding Download PDFInfo
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- CN106489219A CN106489219A CN201580037267.0A CN201580037267A CN106489219A CN 106489219 A CN106489219 A CN 106489219A CN 201580037267 A CN201580037267 A CN 201580037267A CN 106489219 A CN106489219 A CN 106489219A
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- contact portion
- pressure contact
- crimp type
- type terminal
- sealing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Carry out the welding of coincidence part exactly in the case of the quality not reducing crimp type terminal.Crimp type terminal (10) has：Pressure contact portion (12), it is formed as tubular by the base material of electric conductivity, is engaged with electric wire crimp；And sealing (14,15,16,17), it is formed at one end of pressure contact portion, seal to being crimped the electric wire being engaged in pressure contact portion, sealing is by base material bending coincidence and the one end from this coincidence part (13) continuously engages to the other end, and an end of engagement track is located relative to the position of sealing deflection and pressure contact portion opposite side.
Description
Technical field
The present invention relates to the connecting structure carrying out with the crimp type terminal of the electrical connection of miscellaneous part, employing this crimp type terminal
Method for laser welding when body, the manufacture method of crimp type terminal and manufacture crimp type terminal.
Background technology
In the past, in automotive field, it is desirable to constitute the various parts of automobile from the viewpoint of improving fuel economy
Lightweight.Especially, wire harness is the part occupying suitable weight in automobile, in order to realize lightweight, attempts being used for the electricity of wire harness
Conductor (heart yearn) material of line is changed to aluminum or aluminum alloy from copper.In order to be connected with miscellaneous part, as with aluminum or aluminum alloy system
Electric wire leading section connect crimp type terminal, the part of copper or copper alloy is usually used.Thus, formed by above-mentioned material
Conductor and terminal coupling part, the aluminum exposing is possible to produce dissimilar metal corrosion, thus conductor defect is it is therefore desirable to adopt
Take and aluminium conductor is hedged off from the outer world such countermeasure.
As one of countermeasure, it is known to and molds the technology of whole pressure contact portion by resin (for example, referring to patent documentation
1).But, molded section is excessive, needs to increase the size of connector shell, and this result is that adapter becomes greatly it is impossible to make wire harness whole
Body miniaturization, densification.And, in molded method, after electric wire crimp, each pressure contact portion is processed, because
The manufacturing process of this wire harness is dramatically increased, and operation becomes numerous and diverse.
In order to eliminate such problem it is proposed that by being pressed behind the conductor front end that metal hatting is covered electric wire
Connect and make technology that aluminium conductor is air-tight state and do not make crimp type terminal and metal hatting be split part, using terminal strip
A part cover electric wire thus becoming the technology (for example, referring to patent documentation 2,3,4) of air-tight state.
Here, in the case of being crimped with the state having coated the electric wire comprising aluminium conductor, will be with pressure connection terminal
A part for the base material (metallic plate) that the shape of son is accordingly punched out bends to tubular and utilizes the docking to its two ends for the laser
The method that portion or coincidence part are welded is excellent in mouldability, 2 points of production efficiency.
Prior art literature
Patent documentation：
Patent documentation 1：Japanese Unexamined Patent Publication 2011-222243 publication
Patent documentation 2：Japanese Unexamined Patent Publication 2004-207172 publication
Patent documentation 3：Japanese Unexamined Patent Publication 2012-84471 publication
Patent documentation 4：International Publication No. 2014/010605
Content of the invention
Invention problem to be solved
But, as shown in Figure 10, have to during for making the coincidence part that electric wire is air-tight state weld by laser
Keyhole may be formed in the terminal of welding and form trace 101.Its result is to have following such problem：The welding of coincidence part 102
Not exclusively it is impossible to the airtight probability realizing electric wire is high.
Therefore, the present invention be in view of above-mentioned problem and complete, it is intended that provide can not reduce crimp type terminal
Quality in the case of carry out exactly the welding of coincidence part crimp type terminal, employ this crimp type terminal connecting structure body,
The method for laser welding when manufacture method of crimp type terminal and manufacture crimp type terminal.
Means for solving the problems
The present invention is crimp type terminal, is characterised by, this crimp type terminal has：Pressure contact portion, it is formed by the base material of electric conductivity
For tubular, engage with electric wire crimp；And sealing, it is formed at one end of described pressure contact portion, to be crimped be engaged in described
The electric wire of pressure contact portion is sealed, and described sealing is to bend described base material to overlap and from the one end of its coincidence part to another
End continuously engages, and an end of engagement track is located relative to described sealing deflection and described pressure contact portion phase
The position of anti-side.
And, it is preferably, described sealing has two engagement track, and the first engagement track is from one end of described coincidence part
Portion is continuously formed to the position between this one end and the other end, and an end of this first engagement track is located relative to
Described sealing deflection and the position of described pressure contact portion opposite side, the second engagement track is from the other end of described coincidence part even
Continuous and overlapping with described first engagement track, an end of this second engagement track be located relative to described sealing deflection and
The position of described pressure contact portion opposite side.
And, it is preferably, described sealing has two engagement track, and the first engagement track is from one end of described coincidence part
Portion is continuously formed to the position between this one end and the other end, and the second engagement track is from the other end of described coincidence part
Continuous and overlapping with described first engagement track, an end of this second engagement track is located relative to described sealing deflection
Position with described pressure contact portion opposite side.
And, be preferably, an end of described engagement track be located at from the other end of described coincidence part continuously to
The position turned back in described one end side.
And, it is preferably, described crimp type terminal has：Pressure contact portion, it is formed as tubular by the base material of electric conductivity, with electric wire
Crimping engages；And sealing, it is formed at one end of described pressure contact portion, enters to being crimped the electric wire being engaged in described pressure contact portion
Row sealing, coincidence part is engaged and forms by described sealing, and the bending of described base material is overlapped and forms by described coincidence part, connects
Close the distance that track is formed as the thickness of slab separated by less than described base material with the one end and the other end of described coincidence part, junction rail
One end of mark is located relative to the position of described sealing deflection and described pressure contact portion opposite side.
And, it is preferably, the engaged width of an end of described engagement track is less than the junction rail at described sealing
The engaged width of mark.
And, be preferably, in described engagement track to be located relative to described sealing deflection contrary with described pressure contact portion
The engaged width of the part of the position of side is less than the engaged width of the other parts of this engagement track.
The present invention is connecting structure body, is characterised by, in the pressure contact portion of above-mentioned crimp type terminal, described crimp type terminal and institute
State electric wire to connect.
The present invention is the manufacture method of crimp type terminal, is characterised by, the manufacture method of this crimp type terminal has following step
Suddenly：The step being accordingly punched the base material of electric conductivity with the shape of crimp type terminal；The base material being punched out bending is made base material
End abuts each other, and so that this docking section is engaged, thus the step forming the pressure contact portion of tubular engaging with electric wire crimp；And
By the base material being punched out bend overlap, continuously engaged to the other end from the one end of its coincidence part, thus formed right
Be crimped the step being engaged in the sealing that the electric wire of described pressure contact portion is sealed, make described coincidence part be bonded on respect to
Described sealing deflection is terminated with the position of described pressure contact portion opposite side.
And, it is preferably, the manufacture method of described crimp type terminal has steps of：From the one end of described coincidence part to
Position between this one end and the other end is continuously engaged, with respect to described sealing deflection and described pressure contact portion
The position of opposite side is terminated, thus the step forming the first engagement track；And it is continuous from the other end of described coincidence part
Ground is engaged and overlapping with described first engagement track, and contrary with described pressure contact portion being partial to respect to described sealing
The position of side is terminated, thus the step forming the second engagement track.
And, it is preferably, the manufacture method of described crimp type terminal has steps of：From the one end of described coincidence part to
Position between this one end and the other end is continuously engaged, thus the step forming the first engagement track；And from
The other end of described coincidence part is continuously engaged and overlapping with described first engagement track, and close with respect to described
Envelope portion deflection is terminated with the position of described pressure contact portion opposite side, thus the step forming the second engagement track.
And, it is preferably, the manufacture method of described crimp type terminal has steps of：From the one end of described coincidence part to
The step that the other end is continuously engaged；And continuously connect with the other end of described coincidence part and be incorporated in described one
The step that the position turned back in end side is terminated.
The present invention is the manufacture method of crimp type terminal, is characterised by, the manufacture method of this crimp type terminal has steps of：
The step being accordingly punched the base material of electric conductivity with the shape of crimp type terminal；The base material being punched out bending is made the end of base material
Abut each other, and so that this docking section is engaged, thus the step forming the pressure contact portion of tubular engaging with electric wire crimp；And will rush
Base material bending after sanction overlaps, with the distance of the one end and the other end of its coincidence part thickness of slab separated by less than described base material and
Described coincidence part is engaged, thus being formed to being crimped the sealing that the electric wire being engaged in described pressure contact portion is sealed
Step, makes being bonded on of described coincidence part terminate with respect to the position of described sealing deflection and described pressure contact portion opposite side.
And, it is preferably, carry out the joint of described coincidence part by laser welding, make of the described engagement track of welding
Laser output during end is less than the laser output welded during described sealing.
And, it is preferably, so that the described sealing deflection that is located relative in the described engagement track of welding is crimped with described
Laser output during the part of the position of portion's opposite side is less than the laser output during other parts welding described engagement track.
And, it is preferably, make the bearing of trend of engagement track of described docking section and the engagement track of described sealing
Bearing of trend intersects.
The present invention is method for laser welding, using the one end from the welding object region needing welding for the laser to the other end
Portion continuously welds to described welding object region, and this method for laser welding is characterised by, makes the welding of described laser
Terminate in the position deviateing described welding object region.
And, preferably reduce a laser output during end welding described welding object region.
And, described laser is preferably optical-fiber laser.
The present invention is crimp type terminal, is characterised by, this crimp type terminal has：Pressure contact portion, it is formed by the base material of electric conductivity
For tubular, engage with electric wire crimp；And sealing, it is formed at one end of described pressure contact portion, to be crimped be engaged in described
The electric wire of pressure contact portion is sealed, and described sealing is to bend described base material to overlap, and utilizes laser from its coincidence part one
End is continuously welded to the other end, the terminal of the welding track of laser be located relative to described sealing deflection with
The position of described pressure contact portion opposite side.
Invention effect
In accordance with the invention it is possible to seal to coincidence part in the case of the quality not reducing crimp type terminal.
Brief description
Fig. 1 is the axonometric chart of the crimp type terminal of the present invention.
Fig. 2 is the top view of the sealing of the first embodiment of the crimp type terminal illustrating the present invention.
Fig. 3 is the figure that illustrates of manufacture method of the crimp type terminal to the present invention.
Fig. 4 is the axonometric chart of the welding method of the pressure contact portion of the crimp type terminal illustrating the present invention.
Fig. 5 is the axonometric chart of the welding method of the coincidence part of the crimp type terminal illustrating the present invention.
Fig. 6 is the curve chart of the passage of laser output during the welding in the coincidence part of crimp type terminal illustrating the present invention.
Fig. 7 is the top view of the sealing of the second embodiment of the crimp type terminal illustrating the present invention.
Fig. 8 is the top view of the sealing of the 3rd embodiment of the crimp type terminal illustrating the present invention.
Fig. 9 is the top view of the other modes of the sealing of the crimp type terminal illustrating the present invention.
Figure 10 is the top view of the other modes of the sealing of the crimp type terminal illustrating the present invention.
Figure 11 is the top view of the other modes of the sealing of the crimp type terminal illustrating the present invention.
Figure 12 is the top view of the problem of the laser welding of the coincidence part illustrating existing crimp type terminal.
Specific embodiment
While referring to the drawings while preferred embodiment illustrating to the present invention.In addition, enforcement shown below
Mode is an illustration, can obtain various embodiments within the scope of the invention.
[first embodiment]
<Crimp type terminal>
As shown in Figure 1 and Figure 2, in order to ensure electric conductivity and intensity, crimp type terminal 10 by metal material (copper, aluminum, steel or with
They are alloy etc. of main component) base material formed.In addition, in order to ensure the various characteristics required by crimp type terminal 10, example
As it is also possible to crimp type terminal 10 part or all implement tin plating or silver-plated etc..
Crimp type terminal 10 has connector portion 11, pressure contact portion 12 and coincidence part 13.Connector portion 11, pressure contact portion 12 and
Coincidence part 13 is integrally formed by a kind of base material.
(connector portion)
Connector portion 11 be bending base material and box shaped formation.Here, the connector portion 11 of Fig. 1 shows for convex end
The example of the matrix terminal that the insert (omitting diagram) of son etc. inserts, but the shape of the detail section of connector portion 11 does not have spy
Other restriction.That is, as other forms it is also possible to replace the connector portion 11 of matrix, for example, the insert of convex terminal is set
And formed.
(pressure contact portion)
Pressure contact portion 12 is the position of the end of crimping joining clad electric wire.Pressure contact portion 12 is by by the tabular being punched out
Base material bends and so that the end of base material is abutted each other, and is welded this docking section 12a and be formed as cylinder using the scanning of laser
Shape.The front end that pressure contact portion 12 one end (right lateral side of Fig. 1) in the longitudinal direction has for supply lines (omitting diagram) is inserted
The peristome 12b (insert port) entering, the other end (front left side of Fig. 1) on length direction is connected with coincidence part 13 and is closed.
Here, when attachment of moisture is in the contact of metal base (copper, aluminum, steel etc.) and the aluminum electric wire of crimp type terminal 10, by
Produce corrosion in the difference of the electromotive force of two metals arbitrary metal (alloy), therefore pressure contact portion 12 will not be entered from outside with moisture etc.
The mode entering is formed as tubular.Even if in addition, the heart yearn of crimp type terminal 10 and electric wire is all aluminum, due to delicate alloying component
Difference, occasionally results in their junction surface and produces corrosion.As long as pressure contact portion 12 tubular due to crimp type terminal 10 just can be right
Corrosion obtains certain effect, therefore, as shown in figure 1, being necessarily cylindric in the longitudinal direction, according to circumstances it is also possible to
It is oval or rectangle tubular.And, diameter is necessarily constant, and radius can also change in the longitudinal direction.
In pressure contact portion 12, mechanically connect by the metal base and aluminum (aluminium alloy) electric wire constituting pressure contact portion 12
Close it can be ensured that their electric interlock simultaneously.Crimping joint is to be engaged by the plastic deformation of base material or electric wire (heart yearn)
(riveting engage).Accordingly, it would be desirable to design the wall thickness of pressure contact portion 12 in the way of can carrying out riveting joint, but due to also can
Processed by manpower or machining etc. is freely engaged, therefore there is no particular limitation.
(coincidence part)
Coincidence part 13 is arranged between connector portion 11 and pressure contact portion 12, is crushed and is formed as flat.Coincidence part 13 is logical
Crossing the base material bending of the tabular being punched out makes the end of base material abut each other, and then flattens this docking section and is formed.That is,
Coincidence part 13 is that turned back and closely connect with the surface of the width middle body of base material in side respectively inwards by the end side of base material
Touch, thus becoming the overlapping part of base material.
Coincidence part 13 is near pressure contact portion 12 with the end of peristome 12b opposite side along the length with crimp type terminal 10
The vertical direction in degree direction is sealed.Specifically, the coincidence part 13 that base material is bent and flattens is by laser welding
Engaged and sealed, the space in connector portion 11 is fully separated with the space in pressure contact portion 12.Separate and connect
The region being soldered in the space in device portion 11 and the space in pressure contact portion 12 is sealing 14.Thus, being crimped of electric wire
The fore-end engaging is enclosed within pressure contact portion 12.
As shown in Fig. 2 sealing 14 is along the width, i.e. of coincidence part 13, with the length direction in crimp type terminal 10
The vertical side of the engagement track (below, the track engaging by welding being referred to as welding track) of the pressure contact portion 12 of upper extension
To being linearly continuously formed from one end to the other end.
Sealing 14 is to be formed by welding sequence twice, has two welding tracks 14a, 14b.
With regard to the first welding track 14a, initiating terminal is the width one end of coincidence part 13, from this one end continuously
Extend to the width central part (position between one end and the other end) of coincidence part 13, more from there to respect to shape
Sealing 14 deflection becoming linear is extended with the position of pressure contact portion 12 opposite side, and terminal also is located at sealing with respect to being formed
The linear welding track deflection in portion 14 and the position of connector portion 11 side of pressure contact portion 12 opposite side.First welding track
Terminal part (end) shape extending to the position with respect to sealing 14 deflection and pressure contact portion 12 opposite side in 14a
Become the other parts (forming the part of linear sealing 14) that weld width is less than the first welding track 14a.
With regard to the second welding track 14b, initiating terminal is width the other end of coincidence part 13, linearly formed to
The end of the straight line portion of the first welding track 14a.Second welding track 14b is after overlapping with the first welding track 14a to phase
Position for the linearly sealing 14 being formed deflection and pressure contact portion 12 opposite side extends, terminal (end) also position
In with respect to the linear welding track deflection forming sealing 14 and connector portion 11 side of pressure contact portion 12 opposite side
Position.The terminal part to the position with respect to sealing 14 deflection and pressure contact portion 12 opposite side in second welding track 14b
Divide the other parts (forming the part of linear sealing 14) being formed as that weld width is less than the second welding track 14b.
Sealing 14 is formed by two welding tracks 14a, 14b linearly extending to midway, but each welding track
The terminal of 14a, 14b deviates from this welding track 14a, 14b, is partial to connector portion 11 side.Further, since two welding track 14a,
14b welds on sealing 14 in an overlapping manner, and therefore welding (sealing) is complete.
Sealing 14 is accomplished by：Welded in the way of forming the first welding track 14a
Afterwards, welded in the way of forming the second welding track 14b, and so that the straight line portion of two welding track 14a, 14b is connected.
<Wire harness>
Wire harness (connecting structure body) be make by insulating resin coat aluminum core line covered electric cable core section from exhausted
Edge resin exposes, and itself and crimp type terminal 10 are crimped connection and uses, wherein, aluminum core line is to form aluminium wire harness
's.Covered electric cable is connected with crimp type terminal 10 by being crimped the pressure contact portion 12 of terminal 10 and crimping.
Here, as the heart yearn of aluminum electric wire, for example, the aluminum core line being made up of following component can be used：Ferrum (Fe) about 0.2
(mass percent) of quality %, copper (Cu) about 0.2 mass %, magnesium (Mg) about 0.1 mass %, silicon (Si) about 0.04 mass %,
Remainder is aluminum (Al) and inevitable impurity.As other alloys composition, can be using following alloy composition etc.：Fe is about
1.05 quality %, Mg about 0.15 mass %, Si about 0.04 mass %, remainder are Al and the alloy of inevitable impurity；
Fe about 1.0 mass %, Si about 0.04 mass %, remainder are Al and the alloy of inevitable impurity；And Fe about 0.2 matter
Amount %, Mg about 0.7 mass %, Si about 0.7 mass %, remainder are Al and the alloy of inevitable impurity.They also may be used
To comprise the alloying elements such as Ti, Zr, Sn, Mn.Using such aluminum core line, for example, can use 0.5sq (mm2)～2.5sq
(mm2) 7～19 twisteds heart yearn.As the covering material of heart yearn, for example, can use based on the polyolefin such as PE, PP
Want the material of composition or the material with PVC as main component etc..
In addition, describe the situation making electric wire using aluminum, but not limited to this, it is possible to use copper makees electric wire.
<The manufacture method of crimp type terminal>
Next, illustrating to the manufacture method of crimp type terminal 10.
As shown in figure 3, crimp type terminal 10 is to be formed by the lath CS (with reference to Fig. 3 (a)) sending from roller.That is, pass through
Lath CS shown in Fig. 3 (a) is implemented with punch press process as a punching press, define the chain terminal T1 shown in Fig. 3 (b).Should
Chain terminal T1 be formed with for convey chain terminal T1 in stamping machine (not shown) in the conveying direction delivery portion C1,
C2, in this delivery portion C2 with prescribed distance L be provided with multiple (here, with the position of the crimp type terminal 10 of monolithic accordingly
An individual ground) in order to be positioned and the sprocket hole H of supply and marketing insertion in conveying.It is formed with rear between delivery portion C1, C2
Constitute the part of pressure contact portion 12 of the tubular of crimp type terminal 10 of monolithic in continuous operation and become the coupling part with other terminals
Box-like connector portion 11.
In Fig. 3 (c), form the chain terminal T2 shown in Fig. 3 (c) as two times punch by implementing bending machining.
This chain terminal T2 is the state eliminating delivery portion C2 and only having delivery portion C1.And, pressure contact portion 12 and connector portion 11
It is that tubular (hollow form) and the state of box-like (box like) are respectively formed as by bending machining.In this condition, pressure contact portion 12
Be formed with after the bending machining of tubular partly on formed docking section 12a.
By laser welding, this docking section 12a is engaged so that pressure contact portion 12 becomes airtight construction.Specifically, such as
Shown in Fig. 4, the bending machining on crimp type terminal 10 is the upper end of the pressure contact portion 12 of tubular, by from laser irradiation device M
The scanning of laser L irradiated and weld to towards the docking section 12a that is axially formed.
And, flatten the coupling part with connector portion 11 and form coincidence part 13, as shown in figure 5, in order to suppress water to enter
Enter conductor part, the scanning also by the laser L irradiating from laser irradiation device M is welded in coincidence part 13, thus being formed
Sealing 14 (welding object region).Here, the welding track of sealing 14 is formed as hanging down in the welding track with pressure contact portion 12
Straight side upwardly extends.
Here, in the welding of sealing 14, as shown in figure 5, the one end from coincidence part 13 is swept towards the other end
Retouch and welded from the laser L of laser irradiation device M irradiation, linearly carry out in the width be soldered to coincidence part 13
Near centre.Now, as shown in fig. 6, the output of laser is W2, from starting after welding have passed through time t1, welding track reaches
The width central part of coincidence part 13.Then, the output making laser drops to W1, towards with respect to sealing 14 deflection and pressure
The position continuously scanning laser of socket part 12 opposite side, from starting after welding have passed through time t2, to terminate welding.Thus,
Define the first welding track 14a.
Then, make laser irradiation device M laser irradiation position movement to coincidence part 13 the other end.Due at this
Period not irradiating laser, the output of therefore laser is zero.And, from starting after welding have passed through time t3, from coincidence part 13
The other end towards one end scan from laser irradiation device M irradiate laser L and welded, in the width of coincidence part 13
Degree direction central authorities are overlapping with the first welding track 14a nearby.Now, the output of laser is W2, when starting welding and have passed through
Between after t4, welding track reaches the width central part of coincidence part 13.Then, the output making laser drops to W1, towards from
Sealing 14 deflection and the position continuously scanning laser of pressure contact portion 12 opposite side, have passed through time t5 from starting welding
Afterwards, terminate welding.Thus, define the second welding track 14b.
In addition, being free to determine the method making the output of laser when W2 drops to W1, but compared with sharp lowering
Output, preferably gently lowers output.
Here, laser irradiation device M is the device of irradiation optical fiber laser.
The beam quality of optical-fiber laser is excellent, and light-gathering is high, therefore, it is possible to realize the energy density of machining area than existing
The high laser welding of laser.Therefore, it is possible to rapidoprint at high speed, heat affecting is little, can carry out vertical width than (aspect
Ratio) high deep penetration welding, therefore, it is possible to suppressing the intensity decreases of welding position and deformation and suitably sealing 14 being carried out
Sealing.
Can also be vibrated or by pulse controlled continuous oscillation come irradiation optical fiber by continuous oscillation, impulse hunting, QCW
Laser.Optical-fiber laser can be single mode or multimode optical fibre laser.
In addition, in the present invention it is also possible to replace optical-fiber laser welding, using YAG laser, semiconductor laser, dish
The laser beam of chip laser instrument etc. or electron beam.
By such step above, such as shown in Fig. 3 (d), manufacture by delivery portion C1 to the crimping before electric wire insertion
The chain terminal T3 that terminal 10 is kept.
In addition, here, employing the example of the part docking of the bending machining making crimp type terminal 10, but in the present invention,
Also laser welding can be carried out to engage in the case of the partly overlapping of bending machining.
<Action effect>
As above, when manufacturing crimp type terminal 10, by the scanning of laser from width one end of coincidence part 13
Portion carries out welding to form the first welding track 14a, then passes through the width other end from coincidence part 13 for the scanning of laser
Portion carries out welding to form the second welding track 14b, and makes two welding tracks 14a, 14b beyond the both ends of coincidence part 13
Location overlap, thus form the sealing 14 continuously being sealed from the one end of coincidence part 13 to the other end.
Here, by making the terminal of the first welding track 14a and the second welding track 14b from the sealing 14 being sealed
Deflection with pressure contact portion 12 opposite side, terminate at the position of connector portion 11 side, even if in the first welding track 14a and second
The terminal of welding track 14b is formed with keyhole and forms trace, also will not bring impact to sealing 14.Even and if, in the first weldering
Integrate with mark 14a and the second welding track 14b terminal be formed with keyhole formed trace, due to from one end to the other end by
Article two, welding track 14a, 14b sealing, therefore also will not bring harmful effect to sealing property.
And, realize welding by using first, second welding track 14a, 14b, with one end direction from coincidence part 13
The situation of other end ground scanning laser is compared it is not easy to the heat accumulation being caused by welding, welding in the end of coincidence part 13
Even width is such that it is able to make the stay in grade of crimp type terminal 10.
Thus, by using welding method as described above it is therefore prevented that the weldering at the both ends of the sealing 14 of coincidence part 13
Connect width and become big, the welding of coincidence part 13 can be carried out in the case of the quality not reducing crimp type terminal exactly.
[second embodiment]
Next, illustrating to the second embodiment of the crimp type terminal of the present invention.Due to second embodiment and the
The different part of one embodiment be coincidence part welding method be sealing forming method, therefore in detail below to coincidence
Portion illustrates, to label identical with first embodiment identical structure mark and omit the description.Here, second embodiment
Pursue the working performance of welding than first embodiment.
Coincidence part 13 is near pressure contact portion 12 with the end of peristome 12b opposite side along the length with crimp type terminal 10
The vertical direction in degree direction is sealed.Specifically, the coincidence part 13 that base material is bent and flattens is by laser welding
Welded and sealed, the space in connector portion 11 is fully separated with the space in pressure contact portion 12.This is soldered
Region become sealing 14.Thus, the fore-end engaging that is crimped of electric wire is enclosed within pressure contact portion 12.
As shown in fig. 7, sealing 14, along the width, i.e. of coincidence part 13, (is crimped with the welding track of pressure contact portion 12
The length direction of terminal 10) vertical direction, linearly it is continuously formed from one end to the other end.
Sealing 14 is formed by welding sequence twice, has two welding tracks 14c, 14d.
With regard to the first welding track 14c, initiating terminal is the width one end of coincidence part 13, and terminal is coincidence part 13
Width central part (position between one end and the other end), continuously linearly forms from initiating terminal to terminal.
With regard to the second welding track 14d, initiating terminal is width the other end of coincidence part 13, linearly formed to
The terminal of the first welding track 14c.Second welding track 14d after overlapping with the terminal of the first welding track 14c to respect to
Linearly sealing 14 deflection being formed is extended with the position of pressure contact portion 12 opposite side, and terminal (end) also is located at phase
For the position forming the linear welding track deflection of sealing 14 and connector portion 11 side of pressure contact portion 12 opposite side.
That is, sealing 14 is formed by two welding tracks 14c, the 14d linearly extending, but the end of at least second welding track 14d
End is deviateed from this welding track 14d, is partial to connector portion 11 side.Further, since the terminal of the first welding track 14c is welded by second
The mark 14d that integrates with overlappingly welds, and therefore welds completely.
Sealing 14 after being welded in the way of forming the first welding track 14c, to form the second welding track
The mode of 14d is welded.
In the welding of sealing 14, scan from laser irradiation device towards the other end from the one end of coincidence part 13
M irradiate laser L and welded, terminate near central authorities weld.Thus, define the first welding track 14c.
Then, scan from the laser L of laser irradiation device M irradiation towards one end from the other end of coincidence part 13
Welded, be partial to and pressure contact portion 12 contrary towards from sealing 14 with after the first welding track 14c overlap near central authorities
The position scanning laser of side, terminates to weld soon.Here, in the same manner as first embodiment, in the shape of the second welding track 14d
Cheng Zhong, towards during from sealing 14 deflection with the position scanning laser of pressure contact portion 12 opposite side, makes the output of laser decline,
Reduce the weld width of welding track.Thus, define the second welding track 14d.
In the crimp type terminal being manufactured by such welding method, by making the terminal of the second welding track 14d from quilt
Sealing 14 deflection of sealing with pressure contact portion 12 opposite side, terminate at the position of connector portion 11 side, even if welding first
Integrate with mark 14c terminal be formed with keyhole formed trace, also will not bring impact to sealing 14.Even and if, in the second welding
The terminal of track 14d be formed with keyhole formed trace, due to from one end to the other end by two welding tracks 14c, 14d
Sealing, therefore also will not bring harmful effect to sealing property.
Thereby, it is possible to guarantee the water proofing property of sealing 14, and compared with first embodiment, shorten the first welding rail
The time of the welding of mark 14c.
[the 3rd embodiment]
Next, illustrating to the 3rd embodiment of the crimp type terminal of the present invention.Due to the 3rd embodiment and
The different part of one embodiment be coincidence part welding method be sealing forming method, therefore in detail below to coincidence
Portion illustrates, to label identical with first embodiment identical structure mark and omit the description.Here, the 3rd embodiment
Pursue the working performance of welding than first embodiment.
Coincidence part 13 is near pressure contact portion 12 with the end of peristome 12b opposite side along the length with crimp type terminal 10
The vertical direction in degree direction is sealed.Specifically, the coincidence part 13 that base material is bent and flattens is by laser welding
Welded and sealed, the space in connector portion 11 is fully separated with the space in pressure contact portion 12.This is soldered
Region become sealing 14.Thus, the fore-end engaging that is crimped of electric wire is enclosed within pressure contact portion 12.
As shown in figure 8, sealing 14, along the width, i.e. of coincidence part 13, (is crimped with the welding track of pressure contact portion 12
The length direction of terminal 10) vertical direction, linearly it is continuously formed from one end to the other end.
Sealing 14 has a welding track 14e.
With regard to welding track 14e, initiating terminal is the width one end of coincidence part 13, is linearly formed to coincidence part
13 width the other end.Welding track 14e reach coincidence part the other end after, from this other end continuously to
Turn back in one end side.Now, the terminal of welding track 14e is nearby to respect to the linearly sealing 14 being formed deflection and pressure
The position of socket part 12 opposite side extends, and terminal (end) also is located at respect to the linear welding forming sealing 14
The position of connector portion 11 side of trajectory bias and pressure contact portion 12 opposite side.Welding track 14e is somewhat welded after turning back
Connect and just terminate, this position becomes terminal.That is, sealing 14 is formed by the welding track 14e linearly extending, but terminal is relatively
It is partial to connector portion 11 side in welding track 14e.
In the welding of sealing 14, scan from laser irradiation device towards the other end from the one end of coincidence part 13
Irradiate laser and welded, formed from one end to the other end continuous welding track.Then, another from coincidence part 13
One end is turned back towards one end, and swashs towards the position scanning with respect to sealing 14 deflection and pressure contact portion 12 opposite side
Light, just terminates to weld soon.Here, in the same manner as first embodiment, it is partial to and pressure contact portion with respect to sealing 14 in direction
During the position scanning laser of 12 opposite side, so that the output of laser is declined, reduce the weld width of welding track.Thus, formed
Welding track 14e.
The crimp type terminal being manufactured by such welding method can complete to weld with a laser scanning, therefore weld job
Time shorten, excellent in efficiency.That is, welded twice due to need not be divided into as first embodiment, therefore, it is possible to significantly
Degree ground shortens the time that the welding of coincidence part 13 spends, and because welding does not also terminate in the end of coincidence part 13, therefore also will not
Weld width occurs and becomes big.Thereby, it is possible to seal to coincidence part 13 in the case of the quality not reducing crimp type terminal.
<Variation>
In addition, the invention is not restricted to above-mentioned embodiment, can not change in the range of the essential part of the present invention certainly
Changed by ground.
For example, as shown in Fig. 9 (a), crimp type terminal 10 is formed by welding track 15a, 15b of the curve of two arc-shapeds
Sealing (welding track) 15 at coincidence part 13.In this case, with the axial direction with respect to crimp type terminal 10 from left and right end portions
(with crimp type terminal 10 axially vertical width both ends) is that the mode that pressure contact portion 12 side is heaved is in peristome 12b side
Form sealing 15 by two welding tracks 15a, 15b to arc-shaped.Here, a terminal (end of one welding track 15b
Portion) it is the position being partial to connector portion 11 side with respect to the welding track of arc-shaped.
And, as other examples, such as shown in Fig. 9 (b), formed by welding track 16a, 16b of the curve of two waveforms
Sealing (welding track) 16 at the coincidence part 13 of crimp type terminal 10.In this case, it is formed with multiple flex points, to connection
Welding track 16a, 16b that device portion 11 side and pressure contact portion 12 side both sides heave such two curves form sealing 16.Here,
Article one, the terminal (end) of welding track 16b is to be partial to the position of connector portion 11 side with respect to the welding track of waveform.
And, as other examples, such as shown in Fig. 9 (c), it is in V shape shape by two linear welding track 17a, 17b
Become the sealing (welding track) 17 at the coincidence part 13 of crimp type terminal 10.In this case, with summit with respect to crimp type terminal
10 be in axially V shape towards the mode that peristome 12b is pressure contact portion 12 side by two welding tracks 17a, 17b from left and right end portions
Form sealing 17.Here, the terminal (end) of a welding track 17b is to connect with respect to the trajectory bias of V shape
The position of device portion 11 side.
And, as other examples, such as shown in Figure 10 (a), by welding track 18a, 18b shape of the curve of two arc-shapeds
Become the sealing (welding track) 18 at the coincidence part 13 of crimp type terminal 10.In this case, with respect to the axle of crimp type terminal 10
Describe circular arc to from left and right end portions towards connector portion 11 side, and two welding tracks 18a, 18b are in the width of crimp type terminal 10
Degree direction middle body intersects, thus forming sealing 18.Now, two welding tracks 18a, 18b are formed as to peristome
12b, i.e. pressure contact portion 12 side are heaved, but do not start, in the ratio of the axial direction with respect to crimp type terminal 10, the pressured socket part of left and right end portions welded
The position of 12 sides forms welding track.
The terminal (end) of each welding track 18a, 18b is with respect to the sealing being formed by this welding track 18a, 18b
Portion 18 is partial to connector portion 11 side.
So, sealing (welding track) 18 is formed by welding track 18a, 18b of the curve by two arc-shapeds, only
To be in arc-shaped scanning laser, when changing the scanning direction of laser as shown in FIG. 2 in the way of welding, laser
Scanning will not stop moment, is therefore not easily formed keyhole and forms trace it is not easy to cause the reduction of welding quality.
And, as other examples, such as shown in Figure 10 (b), form crimping by two linear welding track 19a, 19b
Sealing (welding track) 19 at the coincidence part 13 of terminal 10.In this case, with respect to crimp type terminal 10 axially from a left side
Straight line is described towards connector portion 11 side in right part, and two welding tracks 19a, 19b are in the width side of crimp type terminal 10
Intersect to middle body, thus forming sealing 19.
The terminal (end) of each welding track 19a, 19b is with respect to the sealing being formed by this welding track 19a, 19b
Portion 19 is partial to connector portion 11 side.
Also it is capable of the sealing 18 identical effect with Figure 10 (a) in this case.
And, as other examples, such as shown in Figure 10 (c), by welding track 20a, 20b shape of the curve of two arc-shapeds
Become the sealing (welding track) 20 at the coincidence part 13 of crimp type terminal 10.In this case, with respect to the axle of crimp type terminal 10
Describe circular arc to from left and right end portions towards connector portion 11 side, and two welding tracks 20a, 20b are in crimp type terminal 10
Width middle body intersects, thus forming sealing 20.Now, two welding tracks 20a, 20b are formed as to adapter
Portion 11 heaves side, not the axial direction with respect to crimp type terminal 10 than start weld left and right end portions pressured socket part 12 side position shape
Become welding track.
The terminal (end) of each welding track 20a, 20b is with respect to the sealing being formed by this welding track 20a, 20b
Portion 20 is partial to connector portion 11 side.
Also it is capable of the sealing 18 identical effect with Figure 10 (a) in this case.
And, as other examples, such as shown in Figure 11 (a), by welding track 21a, 21b shape of the curve of two arc-shapeds
Become the sealing (welding track) 21 at the coincidence part 13 of crimp type terminal 10.In this case, with respect to crimp type terminal 10
Axially form sealing in arc-shaped by two welding tracks 21a, 21b to the mode that connector portion 11 side is heaved from left and right end portions
Portion 21.Here, the terminal (end) of a welding track 21b is to be partial to connector portion with respect to the welding track of arc-shaped
The position of 11 sides.
And, as other examples, such as shown in Figure 11 (b), it is in V shape by two linear welding track 22a, 22b
Form the sealing (welding track) 22 at the coincidence part 13 of crimp type terminal 10.In this case, with summit with respect to pressure connection terminal
Axially being formed in V shape by two welding tracks 22a, 22b towards the mode of connector portion 11 side from left and right end portions of son 10 is close
Envelope portion 22.Here, the terminal (end) of a welding track 22b is the trajectory bias connector portion 11 with respect to V shape
The position of side.
And, as other examples, such as shown in Figure 11 (c), form crimping by two linear welding track 23a, 23b
Sealing (welding track) 23 at the coincidence part 13 of terminal 10.In this case, along axially vertical with crimp type terminal 10
Direction (width of crimp type terminal 10) describe straight line, and two welding tracks 23a, 23b are in the width of crimp type terminal 10
Degree direction middle body intersects, thus forming sealing 23.
Here, the initiating terminal of each welding track 23a, 23b is located at and is separated with the one end of coincidence part 13 and the other end
Less than the position of the distance of the thickness of slab of base material forming crimp type terminal 10, the terminal (end) of each welding track 23a, 23b
With respect to linear welding track (sealing 23) deflection connector portion 11 side being formed by this welding track 23a, 23b.
So, separated from the one end and the other end with the width of coincidence part 13 by making the welding of sealing 23
Start less than the position of the distance of thickness of slab of crimp type terminal 10, rather than the one end from the width of coincidence part 13 and another
One end starts, and keeps the metal part (unwelded part) of the state of base material do not welded to residue in coincidence part 13
The both ends of width, therefore this unwelded part as framework function, with from one end to the other end continuously
The situation of welding is compared, it is possible to increase the intensity of coincidence part 13.Further, it is possible to save the weldering not welding the position also having no problem
Connect such that it is able to shorten the time of welding sequence.
In addition, in above-mentioned variation, in the same manner as first embodiment, being also close from each welding track in direction
During the position scanning laser of envelope portion 14 deflection and pressure contact portion 12 opposite side, so that the output of laser is declined, reduce welding track
Weld width.
And, in first embodiment and second embodiment, form the after forming first welding track 14a, 14c
Two welding track 14b, 14d but it is also possible to use two laser irradiation devices, with parallel formed two welding track 14a, 14b,
The mode of 14c, 14d is welded.
Label declaration
10：Crimp type terminal；11：Connector portion；12：Pressure contact portion；12a：Docking section；12b：Peristome；13：Coincidence part；14、
15、16、17、18、19、20、21、22、23：Sealing；14a、14b、14c、14d、14e、15a、15b、16a、16b、17a、
17b、18a、18b、19a、19b、20a、20b、21a、21b、22a、22b、23a、23b：Welding track；L：Laser.
Claims (20)
1. a kind of crimp type terminal is it is characterised in that this crimp type terminal has：
Pressure contact portion, it is formed as tubular by the base material of electric conductivity, engages with electric wire crimp；And
Sealing, it is formed at one end of described pressure contact portion, seals to being crimped the electric wire being engaged in described pressure contact portion,
Described sealing be described base material is bent overlap and continuously engage from the one end of its coincidence part to the other end and
Become,
One end of engagement track is located relative to the position of described sealing deflection and described pressure contact portion opposite side.
2. crimp type terminal according to claim 1 it is characterised in that
Described sealing has two engagement track,
First engagement track is continuously formed to the position this one end and the other end from the one end of described coincidence part,
One end of this first engagement track is located relative to the position of described sealing deflection and described pressure contact portion opposite side,
Second engagement track is continuous and overlapping with described first engagement track from the other end of described coincidence part, this second joint
One end of track is located relative to the position of described sealing deflection and described pressure contact portion opposite side.
3. crimp type terminal according to claim 1 it is characterised in that
Described sealing has two engagement track,
First engagement track is continuously formed to the position this one end and the other end from the one end of described coincidence part,
Second engagement track is continuous and overlapping with described first engagement track from the other end of described coincidence part, this second joint
One end of track is located relative to the position of described sealing deflection and described pressure contact portion opposite side.
4. crimp type terminal according to claim 1 it is characterised in that
One end of described engagement track is located at and continuously turns back to described one end side from the other end of described coincidence part
Position.
5. a kind of crimp type terminal is it is characterised in that this crimp type terminal has：
Pressure contact portion, it is formed as tubular by the base material of electric conductivity, engages with electric wire crimp；And
Sealing, it is formed at one end of described pressure contact portion, seals to being crimped the electric wire being engaged in described pressure contact portion,
Coincidence part is engaged and forms by described sealing, and the bending of described base material is overlapped and forms by described coincidence part,
Engagement track is formed as the distance of the thickness of slab with the one end and the other end of described coincidence part separated by less than described base material,
One end of engagement track is located relative to the position of described sealing deflection and described pressure contact portion opposite side.
6. the crimp type terminal according to any one of claim 1 to 5 it is characterised in that
The engaged width of one end of described engagement track is less than the engaged width of the engagement track at described sealing.
7. crimp type terminal according to claim 6 it is characterised in that
The part being located relative to described sealing deflection and the position of described pressure contact portion opposite side in described engagement track
Engaged width be less than this engagement track other parts engaged width.
8. a kind of connecting structure body it is characterised in that
The pressure contact portion of the crimp type terminal described in any one of claim 1 to 7, described crimp type terminal is with described electric wire even
Connect.
9. a kind of manufacture method of crimp type terminal is it is characterised in that the manufacture method of this crimp type terminal has steps of：
The step being accordingly punched the base material of electric conductivity with the shape of crimp type terminal；
The base material being punched out bending is made the end of base material abut each other, and so that this docking section is engaged, thus being formed and electric wire
The step of the pressure contact portion of tubular that crimping engages；And
The base material being punched out is bent and overlaps, continuously engaged to the other end from the one end of its coincidence part, thus shape
It is crimped the step being engaged in the sealing that the electric wire of described pressure contact portion is sealed in pairs,
Being bonded on of described coincidence part is made to terminate with respect to the position of described sealing deflection and described pressure contact portion opposite side.
10. the manufacture method of crimp type terminal according to claim 9 is it is characterised in that the manufacture method of this crimp type terminal
Have steps of：
Continuously engaged to the position this one end and the other end from the one end of described coincidence part, with respect to
Described sealing deflection is terminated with the position of described pressure contact portion opposite side, thus the step forming the first engagement track；And
Continuously engaged and overlapping with described first engagement track from the other end of described coincidence part, and with respect to
Described sealing deflection is terminated with the position of described pressure contact portion opposite side, thus the step forming the second engagement track.
The manufacture method of 11. crimp type terminals according to claim 9 is it is characterised in that the manufacture method of this crimp type terminal
Have steps of：
Continuously engaged to the position this one end and the other end from the one end of described coincidence part, thus being formed
The step of the first engagement track；And
Continuously engaged and overlapping with described first engagement track from the other end of described coincidence part, and with respect to
Described sealing deflection is terminated with the position of described pressure contact portion opposite side, thus the step forming the second engagement track.
The manufacture method of 12. crimp type terminals according to claim 9 is it is characterised in that the manufacture method of this crimp type terminal
Have steps of：
The step continuously being engaged from the one end of described coincidence part to the other end；And
Continuously connect with the other end of described coincidence part and be incorporated in the step that the position turned back to described one end side is terminated.
A kind of 13. manufacture methods of crimp type terminal are it is characterised in that the manufacture method of this crimp type terminal has steps of：
The step being accordingly punched the base material of electric conductivity with the shape of crimp type terminal；
The base material being punched out bending is made the end of base material abut each other, and so that this docking section is engaged, thus being formed and electric wire
The step of the pressure contact portion of tubular that crimping engages；And
Base material bending after punching is overlapped, with the one end of its coincidence part and the other end separated by less than described base material thickness of slab
Distance and described coincidence part is engaged, thus being formed to being crimped what the electric wire being engaged in described pressure contact portion was sealed
The step of sealing,
Being bonded on of described coincidence part is made to terminate with respect to the position of described sealing deflection and described pressure contact portion opposite side.
The manufacture method of 14. crimp type terminals according to any one of claim 9 to 13 it is characterised in that
Carry out the joint of described coincidence part by laser welding,
Make the described engagement track of welding an end when laser output less than weld described sealing when laser output.
The manufacture method of 15. crimp type terminals according to claim 14 it is characterised in that
Make the position being located relative to described sealing deflection and described pressure contact portion opposite side in the described engagement track of welding
Part when laser output less than weld described engagement track other parts when laser output.
The manufacture method of 16. crimp type terminals according to any one of claim 9 to 15 it is characterised in that
The bearing of trend of engagement track of described docking section and the bearing of trend of the engagement track of described sealing is made to intersect.
A kind of 17. method for laser welding, using laser from the one end in the welding object region needing welding to the other end even
Continuous ground welds to described welding object region, and this method for laser welding is characterised by,
Being welded on of described laser is made to deviate the position in described welding object region and terminate.
18. method for laser welding according to claim 17 it is characterised in that
Reduce laser output when welding an end in described welding object region.
19. method for laser welding according to claim 17 or 18 it is characterised in that
Described laser is optical-fiber laser.
A kind of 20. crimp type terminals are it is characterised in that this crimp type terminal has：
Pressure contact portion, it is formed as tubular by the base material of electric conductivity, engages with electric wire crimp；And
Sealing, it is formed at one end of described pressure contact portion, seals to being crimped the electric wire being engaged in described pressure contact portion,
Described sealing is to bend described base material to overlap, and continuous to the other end from the one end of its coincidence part using laser
Be welded,
The terminal of the welding track of laser is located relative to the position of described sealing deflection and described pressure contact portion opposite side.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-169920 | 2014-08-22 | ||
| JP2014169920 | 2014-08-22 | ||
| JP2015-044604 | 2015-03-06 | ||
| JP2015044604 | 2015-03-06 | ||
| PCT/JP2015/073631 WO2016027900A1 (en) | 2014-08-22 | 2015-08-21 | Crimp terminal, connection structure, method for manufacturing crimp terminal, and laser welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106489219A true CN106489219A (en) | 2017-03-08 |
| CN106489219B CN106489219B (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580037267.0A Active CN106489219B (en) | 2014-08-22 | 2015-08-21 | Crimp terminal, connection structure, method for manufacturing crimp terminal, and laser welding method |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10122095B2 (en) |
| EP (2) | EP3382806B1 (en) |
| JP (1) | JP6678587B2 (en) |
| KR (1) | KR101990220B1 (en) |
| CN (1) | CN106489219B (en) |
| WO (1) | WO2016027900A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206893815U (en) * | 2017-06-05 | 2018-01-16 | 吉林省中赢高科技有限公司 | A kind of copper aluminium connector |
| CN107123867B (en) * | 2017-06-05 | 2019-05-10 | 吉林省中赢高科技有限公司 | A kind of connector and its magnetic induction welding method of copper tip and aluminum conductor |
| JP1633599S (en) * | 2018-07-02 | 2019-06-10 | ||
| USD911962S1 (en) * | 2018-07-02 | 2021-03-02 | Japan Aviation Electronics Industry, Limited | Connector terminal |
| FR3110772B1 (en) | 2020-05-20 | 2022-12-02 | Accumulateurs Fixes | Electrochemical assembly, method and corresponding manufacturing installation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1994654A (en) * | 2006-01-03 | 2007-07-11 | 深圳市比克电池有限公司 | Welding method and battery laser seal method |
| JP4326797B2 (en) * | 2002-12-26 | 2009-09-09 | 株式会社オートネットワーク技術研究所 | Connection structure between wires and terminal fittings |
| WO2012050236A1 (en) * | 2010-10-14 | 2012-04-19 | Yazaki Corporation | Water proof press contact terminal and method for forming water proof press contact terminal |
| WO2014010605A1 (en) * | 2012-07-09 | 2014-01-16 | 古河電気工業株式会社 | Pressure-fixing terminal, connecting structure and connector |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11111246A (en) | 1997-08-06 | 1999-04-23 | Toshiba Corp | Sealed battery and manufacture thereof |
| JP2005106527A (en) * | 2003-09-29 | 2005-04-21 | Toyoda Mach Works Ltd | Pressure sensor and its manufacturing method |
| EP2482384A3 (en) * | 2008-08-07 | 2012-08-29 | Sumitomo Wiring Systems, Ltd. | A terminal fitting and a crimping method |
| JP5375687B2 (en) * | 2010-03-15 | 2013-12-25 | 株式会社オートネットワーク技術研究所 | Terminal fittings and wires with terminal fittings |
| CN102859795B (en) * | 2010-03-30 | 2015-08-19 | 古河电气工业株式会社 | Crimp type terminal, connecting structure body and connector |
| JP4848040B2 (en) | 2010-04-08 | 2011-12-28 | 株式会社オートネットワーク技術研究所 | Terminal structure of wire harness |
| JP5539009B2 (en) * | 2010-05-14 | 2014-07-02 | 矢崎総業株式会社 | Connection structure of crimp terminal to wire |
| JP5609632B2 (en) | 2010-12-27 | 2014-10-22 | スズキ株式会社 | Laser lap welding method |
| JP5909345B2 (en) * | 2011-11-11 | 2016-04-26 | 矢崎総業株式会社 | Connector terminal |
| KR20140134329A (en) * | 2012-03-30 | 2014-11-21 | 야자키 소교 가부시키가이샤 | Terminal crimped wire |
| JP5465817B1 (en) * | 2012-07-20 | 2014-04-09 | 古河電気工業株式会社 | Crimp terminal, connection structure and connector |
| KR101529255B1 (en) * | 2012-07-20 | 2015-06-16 | 후루카와 덴키 고교 가부시키가이샤 | Crimp terminal, connection structure, connector, and crimp connection method for crimp terminal |
| EP2793312B1 (en) * | 2012-07-27 | 2016-10-19 | Furukawa Electric Co., Ltd. | Terminal, method for manufacturing terminal, and wire-terminal connection structure |
| JP5957345B2 (en) * | 2012-09-06 | 2016-07-27 | 矢崎総業株式会社 | Connection structure |
| WO2014129080A1 (en) * | 2013-02-22 | 2014-08-28 | 古河電気工業株式会社 | Crimp terminal, crimp connection structure, and method for manufacturing crimp connection structure |
| CN104969415B (en) * | 2013-02-23 | 2018-05-29 | 古河电气工业株式会社 | Crimp type terminal, the manufacturing method of crimp type terminal, the manufacturing method of wire connecting fabric body and wire connecting fabric body |
| KR101543547B1 (en) | 2013-06-26 | 2015-08-10 | 후루카와 덴키 고교 가부시키가이샤 | Crimp terminal, wire harness, and method for manufacturing crimp terminal |
| DE112014003899T5 (en) * | 2013-08-26 | 2016-06-09 | Yazaki Corporation | Connection structure of a crimping terminal with respect to a wire |
-
2015
- 2015-08-21 JP JP2016544274A patent/JP6678587B2/en active Active
- 2015-08-21 KR KR1020177000497A patent/KR101990220B1/en active IP Right Grant
- 2015-08-21 WO PCT/JP2015/073631 patent/WO2016027900A1/en active Application Filing
- 2015-08-21 EP EP18172679.5A patent/EP3382806B1/en active Active
- 2015-08-21 EP EP15833359.1A patent/EP3185362B1/en active Active
- 2015-08-21 CN CN201580037267.0A patent/CN106489219B/en active Active
-
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- 2017-02-15 US US15/433,875 patent/US10122095B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4326797B2 (en) * | 2002-12-26 | 2009-09-09 | 株式会社オートネットワーク技術研究所 | Connection structure between wires and terminal fittings |
| CN1994654A (en) * | 2006-01-03 | 2007-07-11 | 深圳市比克电池有限公司 | Welding method and battery laser seal method |
| WO2012050236A1 (en) * | 2010-10-14 | 2012-04-19 | Yazaki Corporation | Water proof press contact terminal and method for forming water proof press contact terminal |
| WO2014010605A1 (en) * | 2012-07-09 | 2014-01-16 | 古河電気工業株式会社 | Pressure-fixing terminal, connecting structure and connector |
Also Published As
| Publication number | Publication date |
|---|---|
| US10122095B2 (en) | 2018-11-06 |
| WO2016027900A1 (en) | 2016-02-25 |
| EP3185362A4 (en) | 2018-08-01 |
| KR20170038783A (en) | 2017-04-07 |
| EP3185362A1 (en) | 2017-06-28 |
| EP3382806A1 (en) | 2018-10-03 |
| CN106489219B (en) | 2020-03-13 |
| EP3382806B1 (en) | 2020-12-23 |
| JP6678587B2 (en) | 2020-04-08 |
| EP3185362B1 (en) | 2021-08-11 |
| KR101990220B1 (en) | 2019-06-17 |
| JPWO2016027900A1 (en) | 2017-06-08 |
| US20170162953A1 (en) | 2017-06-08 |
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